Plain single pun
One hinge, one mechanism, no structural trick. The default.
Under the SeaHow can the Little Mermaid avoid all her problems under the sea? Go aerial.Wedding CakesThe guests at the wedding started crying when the cake came out because it was made of tiers.StatisticsThey say that the average doesn't always represent the data accurately. I guess it just doesn't mean much.TelemarketerThe telemarketer respected peoples' privacy by putting his name on the neck of his shirt. This way he'd have a collar id.Train HearingHow do you fix a train that can't hear? With an EnginEARTheaterI once did a theatrical performance about puns. It was a play on words.Fig DiagramA picture of 4 figs captioned Fig. 1-4, with a title of "Figs: A Diagram" Source: http://gemmacorrell.tumblr.com/image/131965947648WeldingWhat's a welder's favorite music genre to listen to? Heavy metal.CampgroundsWhy can't you run in camp grounds? You can only ran. It's past tents.WetWhen things get turned on in the shower, she gets wet.Ground breakingShovels were a ground breaking invention!Train KillerDid you hear about the Spanish Train killer? He had locomotives.Time ConsumingI had a friend who would eat clocks for lunch. Eating with him was time consuming.Fight with punsWhy do people use puns to fight? Because they have a duel meaning.Tea PartyWhat did the colonists wear to the Boston Tea Party? Tea-ShirtsIt's to die forHave you ever tried an apple pie made with poison apples? It's to die for!